﻿import axios from "axios"
import { ElLoading, ElMessage } from "element-plus"
import { saveAs } from "file-saver"
import { getToken } from "@/utils/auth"
import errorCode from "@/utils/errorCode"
import { blobValidate } from "@/utils/ruoyi"

const baseURL = import.meta.env.VITE_APP_BASE_API
let downloadLoadingInstance

export default {
  name(name, isDelete = true) {
    var url = baseURL + "/common/download?fileName=" + encodeURIComponent(name) + "&delete=" + isDelete
    axios({
      method: "get",
      url: url,
      responseType: "blob",
      headers: { Authorization: "Bearer " + getToken() },
    }).then((res) => {
      const isBlob = blobValidate(res.data)
      if (isBlob) {
        const blob = new Blob([res.data])
        this.saveAs(blob, decodeURIComponent(res.headers["download-filename"]))
      } else {
        this.printErrMsg(res.data)
      }
    })
  },
  resource(resource) {
    var url = baseURL + "/common/download/resource?resource=" + encodeURIComponent(resource)
    axios({
      method: "get",
      url: url,
      responseType: "blob",
      headers: { Authorization: "Bearer " + getToken() },
    }).then((res) => {
      const isBlob = blobValidate(res.data)
      if (isBlob) {
        const blob = new Blob([res.data])
        this.saveAs(blob, decodeURIComponent(res.headers["download-filename"]))
      } else {
        this.printErrMsg(res.data)
      }
    })
  },
  zip(url, name) {
    var url = baseURL + url
    downloadLoadingInstance = ElLoading.service({ text: "正在下载数据，请稍候", background: "rgba(0, 0, 0, 0.7)" })
    axios({
      method: "get",
      url: url,
      responseType: "blob",
      headers: { Authorization: "Bearer " + getToken() },
    })
      .then((res) => {
        const isBlob = blobValidate(res.data)
        if (isBlob) {
          const blob = new Blob([res.data], { type: "application/zip" })
          this.saveAs(blob, name)
        } else {
          this.printErrMsg(res.data)
        }
        downloadLoadingInstance.close()
      })
      .catch((r) => {
        console.error(r)
        ElMessage.error("下载文件出现错误，请联系管理员！")
        downloadLoadingInstance.close()
      })
  },
  saveAs(text, name, opts) {
    saveAs(text, name, opts)
  },
  async printErrMsg(data) {
    const resText = await data.text()
    const rspObj = JSON.parse(resText)
    const errMsg = errorCode[rspObj.code] || rspObj.msg || errorCode["default"]
    ElMessage.error(errMsg)
  },
}
